/**
 * abstract class co the override toan bo hoac 1 trong cac method hoac ko can
 * override method nao cua interface;
 * */
package session2.interfaces;

abstract class Ball3 implements Bounceable2 {
	public void bounce() {
		System.out.println("Ball3.java: bounce()");
	}

	public void setBounceFactor(int bf) {
		System.out.println("Ball3.java: setBounceFactor(int bf)");
	}
}
